Machine for making underground excavations

Maneuvering impact boring head

Means and method for forming and enlarging holes in soil

Method and a device for introducing a tubular assembly into the

Method and apparatus for controlling a ramming device

Method and apparatus for coring in subaqueous structures

Method and apparatus for drilling a borehole with a borehole...

Method and apparatus for drilling, cracking, and withdrawing ear

Method and apparatus for enlarging a bore hole

Method and apparatus for environmental sampling

Method and apparatus for environmental sampling

Method and apparatus for fluid and soil sampling

Method and apparatus for fluid and soil sampling

Method and apparatus for fluid and soil sampling

Method and apparatus for fluid and soil sampling

Method and apparatus for forming square holes for posts

Method and apparatus for installing a micro-well with a penetrom

Method and apparatus for installing a small-scale...

Method and apparatus for moving a mass

Method and apparatus for retaining a core sample within a...